9.0 KiB
Market Sizing Data Sources
Curated list of credible sources for market research and sizing analysis.
Industry Research Reports
Premium Research Firms
Gartner (https://www.gartner.com)
- Technology market forecasts and sizing
- Magic Quadrants for competitive positioning
- Typical cost: $5K-$50K per report
- Best for: Enterprise software, IT services, emerging tech
Forrester (https://www.forrester.com)
- Business technology and digital transformation
- Wave evaluations for vendor comparison
- Typical cost: $3K-$30K per report
- Best for: Marketing tech, customer experience, B2B
IDC (https://www.idc.com)
- IT market intelligence and sizing
- Detailed segment breakdowns
- Typical cost: $4K-$40K per report
- Best for: Hardware, software, IT services
McKinsey (https://www.mckinsey.com/featured-insights)
- Free insights and reports
- Strategic industry analysis
- Best for: Industry trends, macroeconomic context
Accessible Research
Statista (https://www.statista.com)
- Cost: $39/month individual, $199/month business
- Coverage: 80,000+ topics across industries
- Best for: Quick market size estimates, charts, trends
CB Insights (https://www.cbinsights.com)
- Cost: Custom pricing (typically $10K+/year)
- Coverage: Venture capital, startup markets
- Best for: Emerging markets, competitive intelligence
PitchBook (https://pitchbook.com)
- Cost: Institutional pricing
- Coverage: Private company valuations, M&A, VC
- Best for: Startup valuations, funding trends
Grand View Research (https://www.grandviewresearch.com)
- Cost: $2K-$5K per report
- Coverage: B2C and emerging markets
- Best for: Consumer markets, healthcare, cleantech
Government and Public Data
U.S. Government Sources
U.S. Census Bureau (https://www.census.gov)
- Free, authoritative demographic data
- Economic census every 5 years
- Best for: Business counts, demographics, spending
Bureau of Labor Statistics (https://www.bls.gov)
- Free employment and economic data
- Industry-specific statistics
- Best for: Employment trends, wages, productivity
SEC EDGAR (https://www.sec.gov/edgar)
- Free public company filings
- 10-K, 10-Q reports with segment revenue
- Best for: Validating market size with public company data
Data.gov (https://www.data.gov)
- Free government datasets
- Aggregates across agencies
- Best for: Specialized industry data
International Sources
OECD (https://data.oecd.org)
- Free international economic data
- Best for: Cross-country comparisons
World Bank (https://data.worldbank.org)
- Free global development data
- Best for: Emerging markets, macro trends
Eurostat (https://ec.europa.eu/eurostat)
- Free European Union statistics
- Best for: European market sizing
Trade Associations
Industry associations often publish market research:
Software & SaaS
- Software & Information Industry Association (SIIA)
- Cloud Security Alliance (CSA)
E-commerce & Retail
- National Retail Federation (NRF)
- Digital Commerce 360
Financial Services
- American Bankers Association (ABA)
- Financial Technology Association (FTA)
Healthcare
- Healthcare Information and Management Systems Society (HIMSS)
- American Hospital Association (AHA)
Manufacturing
- National Association of Manufacturers (NAM)
- Industrial Internet Consortium (IIC)
Company and Customer Data
B2B Databases
LinkedIn Sales Navigator ($99/month)
- Company and employee counts
- Industry filters
- Best for: B2B customer counting
ZoomInfo (Custom pricing)
- Company databases with firmographics
- Contact data
- Best for: B2B TAM calculations
Crunchbase ($29-$99/month)
- Startup company data
- Funding and employee information
- Best for: Tech startup markets
BuiltWith ($295-$995/month)
- Technology usage data
- Website analytics
- Best for: Technology adoption sizing
Consumer Data
Euromonitor (Custom pricing)
- Consumer market research
- Best for: B2C product markets
Nielsen (Custom pricing)
- Consumer behavior and media
- Best for: CPG, retail, media markets
Mintel (Custom pricing)
- Consumer trends and insights
- Best for: B2C products and services
Search and Discovery Tools
Market Research Aggregators
Research and Markets (https://www.researchandmarkets.com)
- Aggregates reports from 100+ publishers
- $500-$10K per report
- Search across all major research firms
MarketsandMarkets (https://www.marketsandmarkets.com)
- Custom and syndicated research
- $4K-$10K per report
- Good for niche B2B markets
Free Search Tools
Google Scholar (https://scholar.google.com)
- Free academic research
- Best for: Emerging technologies, academic validation
SSRN (https://www.ssrn.com)
- Free working papers
- Best for: Financial services, economics
arXiv (https://arxiv.org)
- Free preprints in CS, physics, etc.
- Best for: AI/ML, scientific markets
Competitive Intelligence
Public Company Analysis
Yahoo Finance (Free)
- Public company financials
- Segment revenue from earnings
Seeking Alpha (Free + Premium)
- Earnings transcripts
- Analyst estimates
Public company investor relations
- Annual reports (10-K)
- Investor presentations
Private Company Intelligence
PrivCo (Custom pricing)
- Private company financials
- M&A transaction data
Owler (Free + Premium)
- Company profiles and news
- Revenue estimates
SimilarWeb (Free + Premium)
- Website traffic analytics
- Best for: Online business sizing
Survey and Primary Research
Survey Tools
SurveyMonkey ($25-$75/month)
- DIY surveys
- Best for: Customer willingness to pay
Typeform ($25-$83/month)
- Conversational surveys
- Best for: User research
Qualtrics (Enterprise pricing)
- Professional research platform
- Best for: Large-scale studies
Panel Providers
Respondent.io ($100-$200 per response)
- Recruit professionals for interviews
- Best for: B2B customer research
UserTesting ($49 per participant)
- User research and testing
- Best for: Product validation
Google Surveys ($0.10-$3.50 per response)
- Quick consumer surveys
- Best for: Basic consumer insights
Data Quality Checklist
When evaluating sources:
Authority
- Who published the research?
- What's their reputation?
- Do they have industry expertise?
Methodology
- How was data collected?
- What's the sample size?
- When was research conducted?
Recency
- Is data current (< 2 years old)?
- Has market changed significantly?
- Are growth rates still applicable?
Consistency
- Do multiple sources agree?
- Are definitions consistent?
- Do numbers triangulate?
Relevance
- Does it match your market definition?
- Is geography appropriate?
- Are segments aligned?
Free vs. Paid Strategy
Start with free sources:
- Government data for customer counts
- Public company filings for segment revenue
- Trade associations for industry trends
- Google Scholar for academic research
Upgrade to paid when:
- Raising institutional funding (investors expect premium sources)
- Need detailed segment breakdowns
- Market is niche or emerging
- Free sources are outdated or insufficient
Cost-effective approach:
- Buy 1-2 key reports that cover your core market
- Use free sources for triangulation
- Supplement with primary research (customer interviews)
- Cite mix of free and paid sources
Citation Best Practices
Always cite sources in market sizing:
Format:
Market Size: $X.XB
Source: [Publisher], [Report Name], [Date]
URL: [link if available]
Example:
Email Marketing Software TAM: $7.5B (2024)
Source: Gartner, "Market Share: Email Marketing Software, Worldwide, 2024"
Note: Includes all email marketing software revenue globally
Include:
- Publisher and report name
- Publication date
- Geography and scope
- Any adjustments made
- Link to source (if public)
Keeping Research Current
Set Google Alerts
- Industry keywords
- Company names
- Market terms
Follow Research Firms
- Twitter accounts
- LinkedIn updates
- Free newsletter summaries
Track Public Companies
- Earnings calendars
- Investor relations pages
- Annual reports
Join Industry Groups
- LinkedIn groups
- Slack communities
- Trade associations
Review Annually
- Update market size with new data
- Adjust growth assumptions
- Revisit methodology if market changed
Emergency Research Guide
Need market size in < 2 hours?
- Check Statista (15 min) - Quick industry overview
- Find public companies (30 min) - Get segment revenue from 10-Ks
- LinkedIn search (20 min) - Count potential B2B customers
- Google Scholar (20 min) - Find academic papers
- Calculate bottom-up (30 min) - Customers × Price
- Triangulate (15 min) - Compare sources
Document everything:
- Write down all sources
- Note all assumptions
- Show your methodology
- Caveat data quality
Better to have a defensible estimate with clear limitations than no data at all.